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visits member for 3 years, 11 months
seen 4 hours ago

I hereby authorize whoever it may concern to post my comments as answers if they wish, whether as community wiki or otherwise if you like imaginary internet points.


Apr
9
revised A variation of the isoperimetric problem in the plane
added 363 characters in body
Mar
29
revised Simple & Intuitive Statements that are Difficult to Prove
added source
Mar
27
revised Variation on circular lake problem
deleted 14 characters in body
Mar
26
revised How does $[x+y+z]=[x+y]+[z+\langle y+x\rangle]$ holds?
added 26 characters in body; edited title
Mar
10
revised How can I show that if $P \in L(V)$ is such that $P^2 =P$ and $\|Pv\| \leq \|v\|$ for every $v\in V$, then $P$ is an orthogonal projection?
deleted 1 characters in body; edited title
Mar
3
revised Does this series $2 + 4 + \cdots + \sqrt{\sqrt{n}} + \sqrt{n} + n$ have a general term?
Edited title to match body
Feb
11
revised Symmetric Positive Definite and Gradient Proof
added 28 characters in body
Feb
11
revised What does $[0,1]/\{1, \frac 12, \frac 13, … 0\}$ look like?
not a set minus
Feb
7
revised Orthonormal basis of $\mathbb{R}^n$ containing $v_1 = \frac{1}{\sqrt{n}}(1,1,\ldots,1)$
deleted 184 characters in body
Feb
6
revised low-rank matrix approximation (fast partial SVD)
deleted 172 characters in body
Feb
5
revised Prove that $x^3 + y^3 = z^3$ has no integer solutions as simply as possible
edited title
Jan
31
revised Convex Function Help and Counterxample
added 27 characters in body
Jan
22
revised What is the difference between a point and a vector
added 103 characters in body
Jan
16
revised Cross Product - Moments :: Dynamics
added 7 characters in body
Jan
8
revised Can a monoid be build from two monoids?
deleted 364 characters in body
Jan
8
revised Is it possible to solve the shortest path problem by hardware? And is it worth it?
deleted 1 characters in body
Dec
13
revised Flow Graphs: Why do you need the symmetry property of a graph?
added 123 characters in body
Dec
10
revised Defining a graph as G=(V,E) — how to interpret the notation?
added 6 characters in body
Dec
9
revised I want to show that $\mathrel{R_1}$ and $\mathrel{R_2}$ are a partial order on $\mathbb N$, how would I do this?
rolled back to a previous revision
Dec
9
revised Which solids are characterized by their orthographic projections?
fixed link